This visualization presents vehicle hierarchies and relationships using two side-by-side D3.js v7 SVG views. The left panel displays a tree layout constructed with `d3.hierarchy` and `d3.tree`, grouping vehicles into Land, Air, and Water categories with colored links and node depths. The right panel shows a force-directed network built with `d3.forceSimulation`, `d3.forceLink`, and `d3.forceManyBody`, connecting vehicle companies like Tesla, Toyota, and SpaceX. Draggable nodes and labeled edges illustrate collaborations, with all styling handled through inline SVG attributes and CSS classes.